90337040

素因数分解:

$2^4\times 5^1\times {\mathrm{1129213}}^1$

素因数の和:1129226

約数の個数: 20

約数和(自身を含む): 210033804

約数和(自身を除く): 119696764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1129213, 2258426, 4516852, 5646065, 9033704, 11292130, 18067408, 22584260, 45168520, 90337040]

約数ペア:

[(1, 90337040), (2, 45168520), (4, 22584260), (5, 18067408), (8, 11292130), (10, 9033704), (16, 5646065), (20, 4516852), (40, 2258426), (80, 1129213)]